Sum of the digits of n is substring of n: Difference between revisions
Sum of the digits of n is substring of n (view source)
Revision as of 11:44, 3 May 2024
, 15 days agoAdd Refal
(Added Quackery.) |
Not a robot (talk | contribs) (Add Refal) |
||
| (2 intermediate revisions by 2 users not shown) | |||
Line 1,804:
200 300 400 500 600 700 800 900 910 911
912 913 914 915 916 917 918 919</pre>
=={{header|Refal}}==
<syntaxhighlight lang="refal">$ENTRY Go {
= <Table (8 5) <Filter DigitSumSubstring <Iota 0 999>>>;
};
Cell {
s.W s.N, <Repeat s.W ' '> <Symb s.N>: e.C,
<Last s.W e.C>: (e.X) e.CI = e.CI;
}
Table {
(s.Cols s.CW) e.X = <Table () (s.Cols s.Cols s.CW) e.X>;
(e.Row) (s.Cols s.N s.CW), e.Row: {
= ;
e.Row = <Prout e.Row>;
};
(e.Row) (s.Cols 0 s.CW) e.X =
<Prout e.Row>
<Table () (s.Cols s.Cols s.CW) e.X>;
(e.Row) (s.Cols s.N s.CW) s.I e.X =
<Table (e.Row <Cell s.CW s.I>) (s.Cols <- s.N 1> s.CW) e.X>;
};
Repeat {
0 s.C = ;
s.N s.C = s.C <Repeat <- s.N 1> s.C>;
};
Filter {
s.F = ;
s.F s.I e.X, <Mu s.F s.I>: {
True = s.I <Filter s.F e.X>;
False = <Filter s.F e.X>;
};
};
Iota {
s.End s.End = s.End;
s.Start s.End = s.Start <Iota <+ 1 s.Start> s.End>;
};
DigitSumSubstring {
s.N, <Symb <DigitSum s.N>>: e.2,
<Symb s.N>: e.1 e.2 e.3 = True;
s.N = False;
};
DigitSum {
0 = 0;
s.N, <Divmod s.N 10>: (s.R) s.D = <+ s.D <DigitSum s.R>>;
};</syntaxhighlight>
{{out}}
<pre> 0 1 2 3 4 5 6 7
8 9 10 20 30 40 50 60
70 80 90 100 109 119 129 139
149 159 169 179 189 199 200 300
400 500 600 700 800 900 910 911
912 913 914 915 916 917 918 919</pre>
=={{header|REXX}}==
Line 1,908 ⟶ 1,967:
{{out}}
<pre>[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 109, 119, 129, 139, 149, 159, 169, 179, 189, 199, 200, 300, 400, 500, 600, 700, 800, 900, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 1000]
</pre>
=={{header|Rust}}==
<syntaxhighlight lang="Rust">fn sum_digits( mut num : u32 ) -> u32 {
let mut sum : u32 = 0 ;
while num != 0 {
sum += num % 10 ;
num /= 10 ;
}
sum
}
fn main() {
let solution : Vec<u32> = (0..1000).filter( | &d | {
let digit_sum : u32 = sum_digits( d ) ;
let sumstring = digit_sum.to_string( ) ;
let sumstr : &str = sumstring.as_str( ) ;
let numstring : String = d.to_string( ) ;
let numstr : &str = numstring.as_str( ) ;
numstr.contains( &sumstr )
}).collect( ) ;
println!("{:?}" , solution ) ;
}</syntaxhighlight>
{{out}}
<pre>
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 109, 119, 129, 139, 149, 159, 169, 179, 189, 199, 200, 300, 400, 500, 600, 700, 800, 900, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919]
</pre>
Line 2,005 ⟶ 2,090:
=={{header|Wren}}==
{{libheader|Wren-math}}
{{libheader|Wren-fmt}}
<syntaxhighlight lang="
import "./
var numbers = []
Line 2,018 ⟶ 2,101:
}
System.print("Numbers under 1,000 whose sum of digits is a substring of themselves:")
Fmt.tprint("$3d", numbers, 8)
System.print("\n%(numbers.count) such numbers found.")</syntaxhighlight>
| |||